Source : Webster's Revised Unabridged Dictionary (1913)

Lablab \Lab"lab\ (l[a^]b"l[a^]b), n. (Bot.)
   an East Indian name for several twining leguminous plants
   related to the bean, but commonly applied to the hyacinth
   bean ({Dolichos Lablab}).

Source : WordNet®

Lablab
     n : 1 species: hyacinth bean [syn: {genus Lablab}]